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Fairy-Wrens - To Duel or Duet?
Podcast |
BirdNote Daily
Publisher |
BirdNote
Media Type |
audio
Categories Via RSS |
Education
How To
Natural Sciences
Nature
Science
Publication Date |
Nov 19, 2023
Episode Duration |
00:01:45

The Red-backed Fairy-Wren, a tiny songbird living the Australian scrublands, is highly territorial and promiscuous. The male can’t be sure the eggs in his nest are his own. One way to help avoid this problem? The male may rough up a rival who approaches his territory. But research shows when Red-backed Fairy-Wren pairs sing a duet in order to deter rival males from intruding on their territory, those pairs had more of their own genetic offspring in their nests. For the male, aggression might not ensure paternity, but singing a duet could.

More info and transcript at BirdNote.org

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Which works better? Singing or fighting? …

The Red-backed Fairy-Wren, a tiny songbird living the Australian scrublands, is highly territorial and promiscuous. The male can’t be sure the eggs in his nest are his own. One way to help avoid this problem? The male may rough up a rival who approaches his territory. But research shows when Red-backed Fairy-Wren pairs sing a duet in order to deter rival males from intruding on their territory, those pairs had more of their own genetic offspring in their nests. For the male, aggression might not ensure paternity, but singing a duet could.

More info and transcript at BirdNote.org

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. 

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

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